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    • 1. 发明授权
    • Oil ring
    • 油环
    • US07354045B2
    • 2008-04-08
    • US10527637
    • 2003-10-28
    • Tomoaki AbeKeishi NannoShiro ShibataHideshi Hitosugi
    • Tomoaki AbeKeishi NannoShiro ShibataHideshi Hitosugi
    • F02F5/00B60T11/236
    • F16J9/062F16J9/20F16J9/206
    • It is a main object of the present invention to provide an oil ring which is capable of reducing sliding friction even in a high speed revolution region of a piston, and capable of reducing the consumption of oil. To achieve the object, the present invention provides an oil ring which is formed into cross-section substantially of an I-shape that two rails are connected at a columnar portion thereof, wherein a sliding projection formed in each of the two rails comprises an outer side surface of sliding projection which forms an outer portion of the sliding projection, a inner side surface of sliding projection which forms an inner portion of the sliding projection, and a sliding surface which slides on a cylinder inner wall and forms a tip end of the sliding projection; wherein a taper angle of the outer side surface of sliding projection is in a range of 10° to 60°; and wherein the outer edge portion, where the outer side surface of sliding projection and the sliding surface are joined to each other, is formed into the curved surface, and the sliding surface has the curved surface sliding portion which is joined to the outer side surface of sliding projection and formed into a gently curved surface.
    • 本发明的主要目的是提供一种即使在活塞的高速旋转区域也能够减小滑动摩擦并能够降低油的消耗的油环。 为了实现该目的,本发明提供了一种油环,其形成为大致为I形的横截面,其中两个轨道在其柱状部分连接,其中形成在每个两个轨道中的滑动突起包括外部 形成滑动突起的外部的滑动突起的侧表面,形成滑动突起的内部的滑动突起的内侧表面和滑动表面,滑动表面在气缸内壁上滑动并形成 滑动投影; 其中所述滑动突起的外侧表面的锥角在10°至60°的范围内; 并且其中滑动突起的外侧表面和滑动表面彼此接合的外边缘部分形成为弯曲表面,并且滑动表面具有接合到外侧表面的曲面滑动部分 的滑动突起并形成一个轻柔的曲面。
    • 4. 发明授权
    • Drop-on-demand ink-jet printing head
    • 按需喷墨打印头
    • US06742875B2
    • 2004-06-01
    • US09758163
    • 2001-01-12
    • Minoru UsuiHaruhiko KotoHaruo NakamuraYozo ShimadaTomoaki Abe
    • Minoru UsuiHaruhiko KotoHaruo NakamuraYozo ShimadaTomoaki Abe
    • B41J245
    • B41J2/14274
    • A drop-on-demand ink-jet printing head provided with an array of a plurality of piezoelectric elements arranged at regular intervals and fixed at their one ends to a base, the other ends of the respective piezoelectric elements being free ends which are disposed in opposition to nozzle respective apertures, the piezoelectric elements being formed by cutting, at predetermined width, a piezoelectric plate obtained by firing a lamination of paste-like piezoelectric material conductive material stacked alternately in layers. Since each piezoelectric element is composed of a thin piezoelectric plate interposed between electrodes, if a voltage of only about 30 V, which is sufficient to drive the thin piezoelectric plate, is applied across the electrodes, it is possible to largely flex the whole of the piezoelectric element. By this transformation, ink between the top end of the piezoelectric element and the nozzle aperture is discharged to the outside as an ink drop. Because the driving voltage required for forming an ink drop is as low as possible, it is possible to simplify a driving circuit, and because of cutting a piezoelectric plate, it is possible to form small-sized piezoelectric elements with the same accuracy as in a process of producing a semiconductor.
    • 一种按需喷墨打印头,其设置有以规则间隔布置的多个压电元件的阵列,并且其一端固定在基座上,各个压电元件的另一端为自由端,其位于 与喷嘴相应的孔相对,压电元件通过以预定的宽度切割通过烧结层叠交替层叠的糊状压电材料导电材料而获得的压电板而形成。 由于每个压电元件由介于电极之间的薄压电板构成,所以如果仅在电极之间施加足以驱动薄压电板的约30V的电压,则可以将整个 压电元件 通过这种变换,压电元件的顶端和喷嘴孔之间的墨水作为墨滴被排放到外部。 由于形成墨滴所需的驱动电压尽可能地低,所以可以简化驱动电路,并且由于切割压电板,所以可以形成小型压电元件,其精度与 制造半导体的工艺。
    • 9. 发明授权
    • Throttle valve control apparatus
    • 节流阀控制装置
    • US4854283A
    • 1989-08-08
    • US126880
    • 1987-11-25
    • Masashi KiyonoKanji TakeuchiTomoaki AbeMitsunori Takao
    • Masashi KiyonoKanji TakeuchiTomoaki AbeMitsunori Takao
    • F02D11/10F02D41/10
    • F02D11/107F02D41/107
    • A control apparatus for electrically operating a throttle valve adapted to adjust the amount of air drawn into an internal combustion engine to adjust the position of the throttle valve. The position and operating condition of an accelerator pedal are electrically detected to generate a signal in accordance with the accelerator position to drive an actuator adapted to operate the throttle valve, and also a desired throttle position established by the signal, the detected actual position of the throttle valve and the operating condition of the accelerator pedal are suitably compared and examined, thus monitoring to see whether the detection of the accelerator position is not faulty, whether the throttle valve is controlled to follow the desired throttle position and so on and thereby performing a safe control by using a substitute desired position upon occurrence of a faulty condition. Also, during the period of acceleration/deceleration, a driving signal is generated to operate the throttle valve to suit the engine operating condition. Further, when the actuator steps out of synchronism, an evacuation control is performed.
    • 一种用于电动操作节流阀的控制装置,其适于调节吸入内燃机的空气量以调节节流阀的位置。 对加速器踏板的位置和操作状态进行电检测,以根据加速器位置产生信号,以驱动适于操作节流阀的致动器,以及由该信号建立的期望的节气门位置,检测到的实际位置 适当地比较和检查节流阀和加速器踏板的操作状态,从而监视加速器位置的检测是否没有故障,节流阀是否被控制为遵循所需的节气门位置等,​​从而执行 在发生故障状态时,通过使用替代所需位置进行安全控制。 此外,在加减速期间,产生用于操作节气门以适应发动机运转状态的驱动信号。 此外,当致动器脱离同步时,执行排气控制。
    • 10. 发明授权
    • Control system for determining the quantity of intake air of an internal
combustion engine
    • 用于确定内燃机的进气量的控制系统
    • US4736302A
    • 1988-04-05
    • US742524
    • 1985-06-07
    • Masumi KinugawaNorio OmoriTomoaki AbeKatsunori ItoSusumu AkiyamaYuzi Hirabayashi
    • Masumi KinugawaNorio OmoriTomoaki AbeKatsunori ItoSusumu AkiyamaYuzi Hirabayashi
    • F02D41/00F02D41/18F02D41/24F02D41/26F02D45/00H01L21/302F02M51/00G01F1/68
    • F02D41/187F02D41/263
    • A system for controlling the operating condition of an engine in which a temperature sensing element constitutes an airflow measuring device disposed in an intake air passage of the engine. The temperature sensing element is supplied with a heating current in response to a start pulse signal produced with every one-half period of each combustion cycle of the engine. A comparator delivers an output signal when a reference temperature set on the basis of the air temperature measured by an auxiliary temperature sensing element is reached by the temperature of the temperature sensing element. A pulse signal indicative of the time interval between the generation of the start pulse signal and a rise in the output signal of the comparator is delivered as an airflow measurement signal. The average airflow quantity responsive to one combustion cycle of the engine is detected, and a correction factor K is calculated from the difference between two airflow rate data measured in each combustion cycle and the average airflow quantity. Based on the correction factor K, the injection quantity, injection timing and the like are calculated.
    • 一种用于控制发动机的操作状态的系统,其中温度感测元件构成设置在发动机的进气通道中的气流测量装置。 响应于在发动机的每个燃烧循环的每半个周期产生的起动脉冲信号,向温度感测元件供应加热电流。 当基于由辅助温度感测元件测量的空气温度设定的参考温度达到温度感测元件的温度时,比较器输出输出信号。 指示起始脉冲信号的产生和比较器的输出信号的上升之间的时间间隔的脉冲信号作为气流测量信号被输送。 检测响应于发动机的一个燃烧循环的平均气流量,并且根据在每个燃烧循环中测量的两个气流速率数据与平均气流量之间的差计算校正因子K. 基于校正因子K,计算喷射量,喷射正时等。